Question: At what pressure does phosphoric acid need to be at to have a boiling point of 415.0?
Paraphrase: Which is the pressure that phosphoric acid need to be at to have a boiling point of 415.0?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q184782 p:P2102 ?s . ?s ps:P2102 ?x filter(contains(?x , '415.0')) . ?s pq:P2077 ?value}